Asplenium inaequilaterale Willd.

inaequilaterale: unequally sided, the pinnae bases of this species are asymmetric.

Rhizome erect, up to 8 mm diameter; scales 2.5 mm long, dark brown, entire. Fronds not proliferous, tufted. Stipe up to 19 cm, stipe and rhachis pale to dark matt brown, hairless. Lamina 12-30 cm × 4-10 cm, pinnate and narrowly triangular in outline. Pinnae 12-20 pairs, lanceolate, glabrous, base asymmetric with a well developed acroscopic lobe, apex acute, margins irregularly crenate. Sori 5-12 pair, linear, situated on each pinnae at 45 degrees to the costa, indusium entire.  

Angola, Bioko, Burundi, Cameroon, Central African Republic, DRC, Ethiopia, Gabon, Ghana, Guinea, Kenya, Liberia, Malawi, Mozambique, Soa Tomé, Sierra Leone, South Africa, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zimbabwe, Madagascan region